US2487448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyvinyl alcohol-starch-clay adhesives, processes, and products
Assignee: EIDP Inc
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Filing: 1944-03-01
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Granted: 1949-11-08
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Expires: 1964-03-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Richard W Kingerley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:27
CPC Classifications
C; C09; C09J; C09J103/00; C09J103/02; C08; C08L; C08L3/00; C08L3/02; C09J129/00; C09J129/02; C09J129/04; C08L2666/00; C08L2666/02; C08L2666/54; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/31971; Y10T428/31975; Y10T428/31978
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-07 | 1953-05-09 | 1953-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-07 | 1957-05-09 | 1957-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-07 | 1961-05-09 | 1961-11-08 | $7700.00 | Window Closed / Lapsed |